MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f510502b26d4bf2d691cc91429803f8e4eb83d940246ace1df90d0d88c5e0bb0. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


RemcosRAT


Vendor detections: 17


Intelligence 17 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f510502b26d4bf2d691cc91429803f8e4eb83d940246ace1df90d0d88c5e0bb0
SHA3-384 hash: 9fc14a6623367d554f528154d8afe2d059c7eda0400a4da3c4c91f7549b00c2994b3c45d020b13bea3125434ee5cb4d8
SHA1 hash: bb845cf3c03268d7097acee300c33cc534b35206
MD5 hash: 96100cc11f41feffd5f9875cada0400c
humanhash: zebra-pizza-green-cup
File name:96100cc11f41feffd5f9875cada0400c.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'055'232 bytes
First seen:2022-08-25 11:18:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:jDL/f8T/0shbVLg1/RWPiUAVuMY6qhZeRoxTozq0CX+D:b/faHy/RWPiUlMhqh8SY
TLSH T17125E01077E84A48F6BB5B34E9B191250BF9BC8A6538E20E3DD0B4DE5D74F01AB11B63
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 027a71739b9cccc1 (1 x AZORult, 1 x RemcosRAT, 1 x RedLineStealer)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
377
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
2345678900987-PO.xlsx
Verdict:
Malicious activity
Analysis date:
2022-08-25 11:00:10 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader rat remcos keylogger
Link:
https://app.any.run/tasks/a57cfffb-9745-4823-a725-3452f7ce777e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/301150/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.23680.8192.5303.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63075abc393b1c8c47110121/reports/6b513224-2519-48ea-b434-7fde3a0e709c/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/76718125-efe4-457d-884e-1b9782b9267f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1057649
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 690168 Sample: YwQyP2QBq0.exe Startdate: 25/08/2022 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Yara detected AntiVM3 2->39 41 Yara detected Remcos RAT 2->41 43 5 other signatures 2->43 7 YwQyP2QBq0.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\Roaming\JmdBPfQDV.exe, PE32 7->25 dropped 27 C:\Users\...\JmdBPfQDV.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp7274.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\...\YwQyP2QBq0.exe.log, ASCII 7->31 dropped 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 Adds a directory exclusion to Windows Defender 7->47 49 Injects a PE file into a foreign processes 7->49 11 YwQyP2QBq0.exe 3 17 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        19 YwQyP2QBq0.exe 7->19         started        signatures5 process6 dnsIp7 33 power22.myftp.org 193.169.255.115, 49728, 6841 WHF-LTD-ASPL Poland 11->33 35 geoplugin.net 178.237.33.50, 49729, 80 ATOM86-ASATOM86NL Netherlands 11->35 51 Tries to harvest and steal browser information (history, passwords, etc) 11->51 53 Installs a global keyboard hook 11->53 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f510502b26d4bf2d691cc91429803f8e4eb83d940246ace1df90d0d88c5e0bb0/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-25 11:19:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
59
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6uifakzg2s7s22i4zekctab7rzhlqpmuajdkzyo7sdinrdc6boya._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:good rat
Link:
https://tria.ge/reports/220825-nd92zadag8/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
power22.myftp.org:6841
Unpacked files
SH256 hash:
c0c14fd60f5bd46e8fa61da555f10c3d84cf32e83fca3852171080c75c7d5823
MD5 hash:
970f5ef0464b416f89cad773376ab295
SHA1 hash:
1fd9909b80062f0552a91e550fcda0d39434a98b
Link:
https://www.unpac.me/results/241b9139-a0e0-428d-ad1e-489f37c0fa9d/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/241b9139-a0e0-428d-ad1e-489f37c0fa9d/
SH256 hash:
965fff8f3a999bff565a340c43a80b64780d9f852aec36abf9de9670078aeb5c
MD5 hash:
341e617c6a20e8ede0af3c0a9ba983dd
SHA1 hash:
3de5c2d6acbce946ba23ef674b9e3a547aa0b283
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/241b9139-a0e0-428d-ad1e-489f37c0fa9d/
SH256 hash:
708679345331b3f6c838d12516cac38a095c605833ba96a430574549b8296cc5
MD5 hash:
96abcec6e92176178eb6eb9a7c6229f7
SHA1 hash:
84c270afe2b5f30d78f895f4f570efc9e9378f17
Link:
https://www.unpac.me/results/241b9139-a0e0-428d-ad1e-489f37c0fa9d/
SH256 hash:
ceda93fdfce3ad8e4f800d4f2d940d793b68b4b0b254b652bf42e13dbd189ba7
MD5 hash:
786afe844ec1723b635cace747b60efd
SHA1 hash:
fa647a584a7fcad392147a182e3a2435b3ad5bb9
Link:
https://www.unpac.me/results/241b9139-a0e0-428d-ad1e-489f37c0fa9d/
SH256 hash:
f510502b26d4bf2d691cc91429803f8e4eb83d940246ace1df90d0d88c5e0bb0
MD5 hash:
96100cc11f41feffd5f9875cada0400c
SHA1 hash:
bb845cf3c03268d7097acee300c33cc534b35206
Link:
https://www.unpac.me/results/241b9139-a0e0-428d-ad1e-489f37c0fa9d/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f510502b26d4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f510502b26d4bf2d691cc91429803f8e4eb83d940246ace1df90d0d88c5e0bb0

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe f510502b26d4bf2d691cc91429803f8e4eb83d940246ace1df90d0d88c5e0bb0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2277701/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/301150/

Comments